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On this day in 1969, NASA formally announced the prime crew selected to carry out the Apollo 11 mission, a decision that would soon mark one of the most defining moments in human history.

Click to open image viewer. NASM-9A13960: Apollo 11 lunar landing mission astronauts Neil A. Armstrong, Buzz Aldrin, Jr., and Michael Collins at a preflight press conference on July 5, 1969, Houston, ...